3641662157 has 16 divisors (see below), whose sum is σ = 4409523072. Its totient is φ = 2935941120.

The previous prime is 3641662127. The next prime is 3641662177. The reversal of 3641662157 is 7512661463.

It is not a de Polignac number, because 3641662157 - 2⁶ = 3641662093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3641662117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196157 + ... + 213917.

It is an arithmetic number, because the mean of its divisors is an integer number (275595192).

Almost surely, 2^3641662157 is an apocalyptic number.

It is an amenable number.

3641662157 is a deficient number, since it is larger than the sum of its proper divisors (767860915).

3641662157 is a wasteful number, since it uses less digits than its factorization.

3641662157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19508.

The product of its digits is 181440, while the sum is 41.

The square root of 3641662157 is about 60346.1859358154. The cubic root of 3641662157 is about 1538.5084446551.

The spelling of 3641662157 in words is "three billion, six hundred forty-one million, six hundred sixty-two thousand, one hundred fifty-seven".